39806140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 97977600

約数和(自身を除く): 58171460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 89, 95, 107, 110, 178, 190, 209, 214, 220, 356, 380, 418, 428, 445, 535, 836, 890, 979, 1045, 1070, 1177, 1691, 1780, 1958, 2033, 2090, 2140, 2354, 3382, 3916, 4066, 4180, 4708, 4895, 5885, 6764, 8132, 8455, 9523, 9790, 10165, 11770, 16910, 18601, 19046, 19580, 20330, 22363, 23540, 33820, 37202, 38092, 40660, 44726, 47615, 74404, 89452, 93005, 95230, 104753, 111815, 180937, 186010, 190460, 209506, 223630, 361874, 372020, 419012, 447260, 523765, 723748, 904685, 1047530, 1809370, 1990307, 2095060, 3618740, 3980614, 7961228, 9951535, 19903070, 39806140]

約数ペア:

[(1, 39806140), (2, 19903070), (4, 9951535), (5, 7961228), (10, 3980614), (11, 3618740), (19, 2095060), (20, 1990307), (22, 1809370), (38, 1047530), (44, 904685), (55, 723748), (76, 523765), (89, 447260), (95, 419012), (107, 372020), (110, 361874), (178, 223630), (190, 209506), (209, 190460), (214, 186010), (220, 180937), (356, 111815), (380, 104753), (418, 95230), (428, 93005), (445, 89452), (535, 74404), (836, 47615), (890, 44726), (979, 40660), (1045, 38092), (1070, 37202), (1177, 33820), (1691, 23540), (1780, 22363), (1958, 20330), (2033, 19580), (2090, 19046), (2140, 18601), (2354, 16910), (3382, 11770), (3916, 10165), (4066, 9790), (4180, 9523), (4708, 8455), (4895, 8132), (5885, 6764)]